Corner bumper



FIG. 1 is a front perspective view of a corner bumper showing my new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a bottom plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a cross sectional view of FIG. 3; and

FIG. 6 is a rear perspective view of another embodiment of a corner bumper showing my new design. 

The ornamental design for a corner bumper, substantially as shown. 